/**
 * Plupload.js
 *
 * Copyright 2013, Moxiecode Systems AB
 * Released under GPL License.
 *
 * License: http://www.plupload.com/license
 * Contributing: http://www.plupload.com/contributing
 */

/*global mOxie:true */

;
(function (window, o, undef) {

    var delay = window.setTimeout, fileFilters = {};

// convert plupload features to caps acceptable by mOxie
    function normalizeCaps(settings) {
        var features = settings.required_features, caps = {};

        function resolve(feature, value, strict) {
            // Feature notation is deprecated, use caps (this thing here is required for backward compatibility)
            var map = {
                chunks: 'slice_blob',
                jpgresize: 'send_binary_string',
                pngresize: 'send_binary_string',
                progress: 'report_upload_progress',
                multi_selection: 'select_multiple',
                dragdrop: 'drag_and_drop',
                drop_element: 'drag_and_drop',
                headers: 'send_custom_headers',
                urlstream_upload: 'send_binary_string',
                canSendBinary: 'send_binary',
                triggerDialog: 'summon_file_dialog'
            };

            if (map[feature]) {
                caps[map[feature]] = value;
            } else if (!strict) {
                caps[feature] = value;
            }
        }

        if (typeof(features) === 'string') {
            plupload.each(features.split(/\s*,\s*/), function (feature) {
                resolve(feature, true);
            });
        } else if (typeof(features) === 'object') {
            plupload.each(features, function (value, feature) {
                resolve(feature, value);
            });
        } else if (features === true) {
            // check settings for required features
            if (settings.chunk_size > 0) {
                caps.slice_blob = true;
            }

            if (settings.resize.enabled || !settings.multipart) {
                caps.send_binary_string = true;
            }

            plupload.each(settings, function (value, feature) {
                resolve(feature, !!value, true); // strict check
            });
        }

        return caps;
    }

    /**
     * @module plupload
     * @static
     */
    var plupload = {
        /**
         * Plupload version will be replaced on build.
         *
         * @property VERSION
         * @for Plupload
         * @static
         * @final
         */
        VERSION: '@@version@@',

        /**
         * Inital state of the queue and also the state ones it's finished all it's uploads.
         *
         * @property STOPPED
         * @static
         * @final
         */
        STOPPED: 1,

        /**
         * Upload process is running
         *
         * @property STARTED
         * @static
         * @final
         */
        STARTED: 2,

        /**
         * File is queued for upload
         *
         * @property QUEUED
         * @static
         * @final
         */
        QUEUED: 1,

        /**
         * File is being uploaded
         *
         * @property UPLOADING
         * @static
         * @final
         */
        UPLOADING: 2,

        /**
         * File has failed to be uploaded
         *
         * @property FAILED
         * @static
         * @final
         */
        FAILED: 4,

        /**
         * File has been uploaded successfully
         *
         * @property DONE
         * @static
         * @final
         */
        DONE: 5,

        // Error constants used by the Error event

        /**
         * Generic error for example if an exception is thrown inside Silverlight.
         *
         * @property GENERIC_ERROR
         * @static
         * @final
         */
        GENERIC_ERROR: -100,

        /**
         * HTTP transport error. For example if the server produces a HTTP status other than 200.
         *
         * @property HTTP_ERROR
         * @static
         * @final
         */
        HTTP_ERROR: -200,

        /**
         * Generic I/O error. For example if it wasn't possible to open the file stream on local machine.
         *
         * @property IO_ERROR
         * @static
         * @final
         */
        IO_ERROR: -300,

        /**
         * @property SECURITY_ERROR
         * @static
         * @final
         */
        SECURITY_ERROR: -400,

        /**
         * Initialization error. Will be triggered if no runtime was initialized.
         *
         * @property INIT_ERROR
         * @static
         * @final
         */
        INIT_ERROR: -500,

        /**
         * File size error. If the user selects a file that is too large it will be blocked and an error of this type will be triggered.
         *
         * @property FILE_SIZE_ERROR
         * @static
         * @final
         */
        FILE_SIZE_ERROR: -600,

        /**
         * File extension error. If the user selects a file that isn't valid according to the filters setting.
         *
         * @property FILE_EXTENSION_ERROR
         * @static
         * @final
         */
        FILE_EXTENSION_ERROR: -601,

        /**
         * Duplicate file error. If prevent_duplicates is set to true and user selects the same file again.
         *
         * @property FILE_DUPLICATE_ERROR
         * @static
         * @final
         */
        FILE_DUPLICATE_ERROR: -602,

        /**
         * Runtime will try to detect if image is proper one. Otherwise will throw this error.
         *
         * @property IMAGE_FORMAT_ERROR
         * @static
         * @final
         */
        IMAGE_FORMAT_ERROR: -700,

        /**
         * While working on files runtime may run out of memory and will throw this error.
         *
         * @since 2.1.2
         * @property MEMORY_ERROR
         * @static
         * @final
         */
        MEMORY_ERROR: -701,

        /**
         * Each runtime has an upper limit on a dimension of the image it can handle. If bigger, will throw this error.
         *
         * @property IMAGE_DIMENSIONS_ERROR
         * @static
         * @final
         */
        IMAGE_DIMENSIONS_ERROR: -702,

        /**
         * Mime type lookup table.
         *
         * @property mimeTypes
         * @type Object
         * @final
         */
        mimeTypes: o.mimes,

        /**
         * In some cases sniffing is the only way around :(
         */
        ua: o.ua,

        /**
         * Gets the true type of the built-in object (better version of typeof).
         * @credits Angus Croll (http://javascriptweblog.wordpress.com/)
         *
         * @method typeOf
         * @static
         * @param {Object} o Object to check.
         * @return {String} Object [[Class]]
         */
        typeOf: o.typeOf,

        /**
         * Extends the specified object with another object.
         *
         * @method extend
         * @static
         * @param {Object} target Object to extend.
         * @param {Object..} obj Multiple objects to extend with.
         * @return {Object} Same as target, the extended object.
         */
        extend: o.extend,

        /**
         * Generates an unique ID. This is 99.99% unique since it takes the current time and 5 random numbers.
         * The only way a user would be able to get the same ID is if the two persons at the same exact milisecond manages
         * to get 5 the same random numbers between 0-65535 it also uses a counter so each call will be guaranteed to be page unique.
         * It's more probable for the earth to be hit with an ansteriod. You can also if you want to be 100% sure set the plupload.guidPrefix property
         * to an user unique key.
         *
         * @method guid
         * @static
         * @return {String} Virtually unique id.
         */
        guid: o.guid,

        /**
         * Get array of DOM Elements by their ids.
         *
         * @method get
         * @for Utils
         * @param {String} id Identifier of the DOM Element
         * @return {Array}
         */
        get: function get(ids) {
            var els = [], el;

            if (o.typeOf(ids) !== 'array') {
                ids = [ids];
            }

            var i = ids.length;
            while (i--) {
                el = o.get(ids[i]);
                if (el) {
                    els.push(el);
                }
            }

            return els.length ? els : null;
        },

        /**
         * Executes the callback function for each item in array/object. If you return false in the
         * callback it will break the loop.
         *
         * @method each
         * @static
         * @param {Object} obj Object to iterate.
         * @param {function} callback Callback function to execute for each item.
         */
        each: o.each,

        /**
         * Returns the absolute x, y position of an Element. The position will be returned in a object with x, y fields.
         *
         * @method getPos
         * @static
         * @param {Element} node HTML element or element id to get x, y position from.
         * @param {Element} root Optional root element to stop calculations at.
         * @return {object} Absolute position of the specified element object with x, y fields.
         */
        getPos: o.getPos,

        /**
         * Returns the size of the specified node in pixels.
         *
         * @method getSize
         * @static
         * @param {Node} node Node to get the size of.
         * @return {Object} Object with a w and h property.
         */
        getSize: o.getSize,

        /**
         * Encodes the specified string.
         *
         * @method xmlEncode
         * @static
         * @param {String} s String to encode.
         * @return {String} Encoded string.
         */
        xmlEncode: function (str) {
            var xmlEncodeChars = {'<': 'lt', '>': 'gt', '&': 'amp', '"': 'quot', '\'': '#39'}, xmlEncodeRegExp = /[<>&\"\']/g;

            return str ? ('' + str).replace(xmlEncodeRegExp, function (chr) {
                return xmlEncodeChars[chr] ? '&' + xmlEncodeChars[chr] + ';' : chr;
            }) : str;
        },

        /**
         * Forces anything into an array.
         *
         * @method toArray
         * @static
         * @param {Object} obj Object with length field.
         * @return {Array} Array object containing all items.
         */
        toArray: o.toArray,

        /**
         * Find an element in array and return it's index if present, otherwise return -1.
         *
         * @method inArray
         * @static
         * @param {mixed} needle Element to find
         * @param {Array} array
         * @return {Int} Index of the element, or -1 if not found
         */
        inArray: o.inArray,

        /**
         * Extends the language pack object with new items.
         *
         * @method addI18n
         * @static
         * @param {Object} pack Language pack items to add.
         * @return {Object} Extended language pack object.
         */
        addI18n: o.addI18n,

        /**
         * Translates the specified string by checking for the english string in the language pack lookup.
         *
         * @method translate
         * @static
         * @param {String} str String to look for.
         * @return {String} Translated string or the input string if it wasn't found.
         */
        translate: o.translate,

        /**
         * Checks if object is empty.
         *
         * @method isEmptyObj
         * @static
         * @param {Object} obj Object to check.
         * @return {Boolean}
         */
        isEmptyObj: o.isEmptyObj,

        /**
         * Checks if specified DOM element has specified class.
         *
         * @method hasClass
         * @static
         * @param {Object} obj DOM element like object to add handler to.
         * @param {String} name Class name
         */
        hasClass: o.hasClass,

        /**
         * Adds specified className to specified DOM element.
         *
         * @method addClass
         * @static
         * @param {Object} obj DOM element like object to add handler to.
         * @param {String} name Class name
         */
        addClass: o.addClass,

        /**
         * Removes specified className from specified DOM element.
         *
         * @method removeClass
         * @static
         * @param {Object} obj DOM element like object to add handler to.
         * @param {String} name Class name
         */
        removeClass: o.removeClass,

        /**
         * Returns a given computed style of a DOM element.
         *
         * @method getStyle
         * @static
         * @param {Object} obj DOM element like object.
         * @param {String} name Style you want to get from the DOM element
         */
        getStyle: o.getStyle,

        /**
         * Adds an event handler to the specified object and store reference to the handler
         * in objects internal Plupload registry (@see removeEvent).
         *
         * @method addEvent
         * @static
         * @param {Object} obj DOM element like object to add handler to.
         * @param {String} name Name to add event listener to.
         * @param {Function} callback Function to call when event occurs.
         * @param {String} (optional) key that might be used to add specifity to the event record.
         */
        addEvent: o.addEvent,

        /**
         * Remove event handler from the specified object. If third argument (callback)
         * is not specified remove all events with the specified name.
         *
         * @method removeEvent
         * @static
         * @param {Object} obj DOM element to remove event listener(s) from.
         * @param {String} name Name of event listener to remove.
         * @param {Function|String} (optional) might be a callback or unique key to match.
         */
        removeEvent: o.removeEvent,

        /**
         * Remove all kind of events from the specified object
         *
         * @method removeAllEvents
         * @static
         * @param {Object} obj DOM element to remove event listeners from.
         * @param {String} (optional) unique key to match, when removing events.
         */
        removeAllEvents: o.removeAllEvents,

        /**
         * Cleans the specified name from national characters (diacritics). The result will be a name with only a-z, 0-9 and _.
         *
         * @method cleanName
         * @static
         * @param {String} s String to clean up.
         * @return {String} Cleaned string.
         */
        cleanName: function (name) {
            var i, lookup;

            // Replace diacritics
            lookup = [
                /[\300-\306]/g, 'A', /[\340-\346]/g, 'a',
                /\307/g, 'C', /\347/g, 'c',
                /[\310-\313]/g, 'E', /[\350-\353]/g, 'e',
                /[\314-\317]/g, 'I', /[\354-\357]/g, 'i',
                /\321/g, 'N', /\361/g, 'n',
                /[\322-\330]/g, 'O', /[\362-\370]/g, 'o',
                /[\331-\334]/g, 'U', /[\371-\374]/g, 'u'
            ];

            for (i = 0; i < lookup.length; i += 2) {
                name = name.replace(lookup[i], lookup[i + 1]);
            }

            // Replace whitespace
            name = name.replace(/\s+/g, '_');

            // Remove anything else
            name = name.replace(/[^a-z0-9_\-\.]+/gi, '');

            return name;
        },

        /**
         * Builds a full url out of a base URL and an object with items to append as query string items.
         *
         * @method buildUrl
         * @static
         * @param {String} url Base URL to append query string items to.
         * @param {Object} items Name/value object to serialize as a querystring.
         * @return {String} String with url + serialized query string items.
         */
        buildUrl: function (url, items) {
            var query = '';

            plupload.each(items, function (value, name) {
                query += (query ? '&' : '') + encodeURIComponent(name) + '=' + encodeURIComponent(value);
            });

            if (query) {
                url += (url.indexOf('?') > 0 ? '&' : '?') + query;
            }

            return url;
        },

        /**
         * Formats the specified number as a size string for example 1024 becomes 1 KB.
         *
         * @method formatSize
         * @static
         * @param {Number} size Size to format as string.
         * @return {String} Formatted size string.
         */
        formatSize: function (size) {

            if (size === undef || /\D/.test(size)) {
                return plupload.translate('N/A');
            }

            function round(num, precision) {
                return Math.round(num * Math.pow(10, precision)) / Math.pow(10, precision);
            }

            var boundary = Math.pow(1024, 4);

            // TB
            if (size > boundary) {
                return round(size / boundary, 1) + " " + plupload.translate('tb');
            }

            // GB
            if (size > (boundary /= 1024)) {
                return round(size / boundary, 1) + " " + plupload.translate('gb');
            }

            // MB
            if (size > (boundary /= 1024)) {
                return round(size / boundary, 1) + " " + plupload.translate('mb');
            }

            // KB
            if (size > 1024) {
                return Math.round(size / 1024) + " " + plupload.translate('kb');
            }

            return size + " " + plupload.translate('b');
        },


        /**
         * Parses the specified size string into a byte value. For example 10kb becomes 10240.
         *
         * @method parseSize
         * @static
         * @param {String|Number} size String to parse or number to just pass through.
         * @return {Number} Size in bytes.
         */
        parseSize: o.parseSizeStr,


        /**
         * A way to predict what runtime will be choosen in the current environment with the
         * specified settings.
         *
         * @method predictRuntime
         * @static
         * @param {Object|String} config Plupload settings to check
         * @param {String} [runtimes] Comma-separated list of runtimes to check against
         * @return {String} Type of compatible runtime
         */
        predictRuntime: function (config, runtimes) {
            var up, runtime;

            up = new plupload.Uploader(config);
            runtime = o.Runtime.thatCan(up.getOption().required_features, runtimes || config.runtimes);
            up.destroy();
            return runtime;
        },

        /**
         * Registers a filter that will be executed for each file added to the queue.
         * If callback returns false, file will not be added.
         *
         * Callback receives two arguments: a value for the filter as it was specified in settings.filters
         * and a file to be filtered. Callback is executed in the context of uploader instance.
         *
         * @method addFileFilter
         * @static
         * @param {String} name Name of the filter by which it can be referenced in settings.filters
         * @param {String} cb Callback - the actual routine that every added file must pass
         */
        addFileFilter: function (name, cb) {
            fileFilters[name] = cb;
        }
    };


    plupload.addFileFilter('mime_types', function (filters, file, cb) {
        if (filters.length && !filters.regexp.test(file.name)) {
            this.trigger('Error', {
                code: plupload.FILE_EXTENSION_ERROR,
                message: plupload.translate('File extension error.'),
                file: file
            });
            cb(false);
        } else {
            cb(true);
        }
    });


    plupload.addFileFilter('max_file_size', function (maxSize, file, cb) {
        var undef;

        maxSize = plupload.parseSize(maxSize);

        // Invalid file size
        if (file.size !== undef && maxSize && file.size > maxSize) {
            this.trigger('Error', {
                code: plupload.FILE_SIZE_ERROR,
                message: plupload.translate('File size error.'),
                file: file
            });
            cb(false);
        } else {
            cb(true);
        }
    });


    plupload.addFileFilter('prevent_duplicates', function (value, file, cb) {
        if (value) {
            var ii = this.files.length;
            while (ii--) {
                // Compare by name and size (size might be 0 or undefined, but still equivalent for both)
                if (file.name === this.files[ii].name && file.size === this.files[ii].size) {
                    this.trigger('Error', {
                        code: plupload.FILE_DUPLICATE_ERROR,
                        message: plupload.translate('Duplicate file error.'),
                        file: file
                    });
                    cb(false);
                    return;
                }
            }
        }
        cb(true);
    });


    /**
     @class Uploader
     @constructor

     @param {Object} settings For detailed information about each option check documentation.
     @param {String|DOMElement} settings.browse_button id of the DOM element or DOM element itself to use as file dialog trigger.
     @param {String} settings.url URL of the server-side upload handler.
     @param {Number|String} [settings.chunk_size=0] Chunk size in bytes to slice the file into. Shorcuts with b, kb, mb, gb, tb suffixes also supported. `e.g. 204800 or "204800b" or "200kb"`. By default - disabled.
     @param {Boolean} [settings.send_chunk_number=true] Whether to send chunks and chunk numbers, or total and offset bytes.
     @param {String} [settings.container] id of the DOM element to use as a container for uploader structures. Defaults to document.body.
     @param {String|DOMElement} [settings.drop_element] id of the DOM element or DOM element itself to use as a drop zone for Drag-n-Drop.
     @param {String} [settings.file_data_name="file"] Name for the file field in Multipart formated message.
     @param {Object} [settings.filters={}] Set of file type filters.
     @param {Array} [settings.filters.mime_types=[]] List of file types to accept, each one defined by title and list of extensions. `e.g. {title : "Image files", extensions : "jpg,jpeg,gif,png"}`. Dispatches `plupload.FILE_EXTENSION_ERROR`
     @param {String|Number} [settings.filters.max_file_size=0] Maximum file size that the user can pick, in bytes. Optionally supports b, kb, mb, gb, tb suffixes. `e.g. "10mb" or "1gb"`. By default - not set. Dispatches `plupload.FILE_SIZE_ERROR`.
     @param {Boolean} [settings.filters.prevent_duplicates=false] Do not let duplicates into the queue. Dispatches `plupload.FILE_DUPLICATE_ERROR`.
     @param {String} [settings.flash_swf_url] URL of the Flash swf.
     @param {Object} [settings.headers] Custom headers to send with the upload. Hash of name/value pairs.
     @param {Number} [settings.max_retries=0] How many times to retry the chunk or file, before triggering Error event.
     @param {Boolean} [settings.multipart=true] Whether to send file and additional parameters as Multipart formated message.
     @param {Object} [settings.multipart_params] Hash of key/value pairs to send with every file upload.
     @param {Boolean} [settings.multi_selection=true] Enable ability to select multiple files at once in file dialog.
     @param {String|Object} [settings.required_features] Either comma-separated list or hash of required features that chosen runtime should absolutely possess.
     @param {Object} [settings.resize] Enable resizng of images on client-side. Applies to `image/jpeg` and `image/png` only. `e.g. {width : 200, height : 200, quality : 90, crop: true}`
     @param {Number} [settings.resize.width] If image is bigger, it will be resized.
     @param {Number} [settings.resize.height] If image is bigger, it will be resized.
     @param {Number} [settings.resize.quality=90] Compression quality for jpegs (1-100).
     @param {Boolean} [settings.resize.crop=false] Whether to crop images to exact dimensions. By default they will be resized proportionally.
     @param {String} [settings.runtimes="html5,flash,silverlight,html4"] Comma separated list of runtimes, that Plupload will try in turn, moving to the next if previous fails.
     @param {String} [settings.silverlight_xap_url] URL of the Silverlight xap.
     @param {Boolean} [settings.unique_names=false] If true will generate unique filenames for uploaded files.
     @param {Boolean} [settings.send_file_name=true] Whether to send file name as additional argument - 'name' (required for chunked uploads and some other cases where file name cannot be sent via normal ways).
     */
    plupload.Uploader = function (options) {
        /**
         * Fires when the current RunTime has been initialized.
         *
         * @event Init
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         */

        /**
         * Fires after the init event incase you need to perform actions there.
         *
         * @event PostInit
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         */

        /**
         * Fires when the option is changed in via uploader.setOption().
         *
         * @event OptionChanged
         * @since 2.1
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {String} name Name of the option that was changed
         * @param {Mixed} value New value for the specified option
         * @param {Mixed} oldValue Previous value of the option
         */

        /**
         * Fires when the silverlight/flash or other shim needs to move.
         *
         * @event Refresh
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         */

        /**
         * Fires when the overall state is being changed for the upload queue.
         *
         * @event StateChanged
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         */

        /**
         * Fires when browse_button is clicked and browse dialog shows.
         *
         * @event Browse
         * @since 2.1.2
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         */

        /**
         * Fires for every filtered file before it is added to the queue.
         *
         * @event FileFiltered
         * @since 2.1
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {plupload.File} file Another file that has to be added to the queue.
         */

        /**
         * Fires when the file queue is changed. In other words when files are added/removed to the files array of the uploader instance.
         *
         * @event QueueChanged
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         */

        /**
         * Fires after files were filtered and added to the queue.
         *
         * @event FilesAdded
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {Array} files Array of file objects that were added to queue by the user.
         */

        /**
         * Fires when file is removed from the queue.
         *
         * @event FilesRemoved
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {Array} files Array of files that got removed.
         */

        /**
         * Fires when just before a file is uploaded. This event enables you to override settings
         * on the uploader instance before the file is uploaded.
         *
         * @event BeforeUpload
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {plupload.File} file File to be uploaded.
         */

        /**
         * Fires when a file is to be uploaded by the runtime.
         *
         * @event UploadFile
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {plupload.File} file File to be uploaded.
         */

        /**
         * Fires while a file is being uploaded. Use this event to update the current file upload progress.
         *
         * @event UploadProgress
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {plupload.File} file File that is currently being uploaded.
         */

        /**
         * Fires when file chunk is uploaded.
         *
         * @event ChunkUploaded
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {plupload.File} file File that the chunk was uploaded for.
         * @param {Object} response Object with response properties.
         */

        /**
         * Fires when a file is successfully uploaded.
         *
         * @event FileUploaded
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {plupload.File} file File that was uploaded.
         * @param {Object} response Object with response properties.
         */

        /**
         * Fires when all files in a queue are uploaded.
         *
         * @event UploadComplete
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {Array} files Array of file objects that was added to queue/selected by the user.
         */

        /**
         * Fires when a error occurs.
         *
         * @event Error
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         * @param {Object} error Contains code, message and sometimes file and other details.
         */

        /**
         * Fires when destroy method is called.
         *
         * @event Destroy
         * @param {plupload.Uploader} uploader Uploader instance sending the event.
         */
        var uid = plupload.guid()
            , settings
            , files = []
            , preferred_caps = {}
            , fileInputs = []
            , fileDrops = []
            , startTime
            , total
            , disabled = false
            , xhr
            ;


        // Private methods
        function uploadNext() {
            var file, count = 0, i;

            if (this.state == plupload.STARTED) {
                // Find first QUEUED file
                for (i = 0; i < files.length; i++) {
                    if (!file && files[i].status == plupload.QUEUED) {
                        file = files[i];
                        if (this.trigger("BeforeUpload", file)) {
                            file.status = plupload.UPLOADING;
                            this.trigger("UploadFile", file);
                        }
                    } else {
                        count++;
                    }
                }

                // All files are DONE or FAILED
                if (count == files.length) {
                    if (this.state !== plupload.STOPPED) {
                        this.state = plupload.STOPPED;
                        this.trigger("StateChanged");
                    }
                    this.trigger("UploadComplete", files);
                }
            }
        }


        function calcFile(file) {
            file.percent = file.size > 0 ? Math.ceil(file.loaded / file.size * 100) : 100;
            calc();
        }


        function calc() {
            var i, file;

            // Reset stats
            total.reset();

            // Check status, size, loaded etc on all files
            for (i = 0; i < files.length; i++) {
                file = files[i];

                if (file.size !== undef) {
                    // We calculate totals based on original file size
                    total.size += file.origSize;

                    // Since we cannot predict file size after resize, we do opposite and
                    // interpolate loaded amount to match magnitude of total
                    total.loaded += file.loaded * file.origSize / file.size;
                } else {
                    total.size = undef;
                }

                if (file.status == plupload.DONE) {
                    total.uploaded++;
                } else if (file.status == plupload.FAILED) {
                    total.failed++;
                } else {
                    total.queued++;
                }
            }

            // If we couldn't calculate a total file size then use the number of files to calc percent
            if (total.size === undef) {
                total.percent = files.length > 0 ? Math.ceil(total.uploaded / files.length * 100) : 0;
            } else {
                total.bytesPerSec = Math.ceil(total.loaded / ((+new Date() - startTime || 1) / 1000.0));
                total.percent = total.size > 0 ? Math.ceil(total.loaded / total.size * 100) : 0;
            }
        }


        function getRUID() {
            var ctrl = fileInputs[0] || fileDrops[0];
            if (ctrl) {
                return ctrl.getRuntime().uid;
            }
            return false;
        }


        function runtimeCan(file, cap) {
            if (file.ruid) {
                var info = o.Runtime.getInfo(file.ruid);
                if (info) {
                    return info.can(cap);
                }
            }
            return false;
        }


        function bindEventListeners() {
            this.bind('FilesAdded FilesRemoved', function (up) {
                up.trigger('QueueChanged');
                up.refresh();
            });

            this.bind('CancelUpload', onCancelUpload);

            this.bind('BeforeUpload', onBeforeUpload);

            this.bind('UploadFile', onUploadFile);

            this.bind('UploadProgress', onUploadProgress);

            this.bind('StateChanged', onStateChanged);

            this.bind('QueueChanged', calc);

            this.bind('Error', onError);

            this.bind('FileUploaded', onFileUploaded);

            this.bind('Destroy', onDestroy);
        }


        function initControls(settings, cb) {
            var self = this, inited = 0, queue = [];

            // common settings
            var options = {
                runtime_order: settings.runtimes,
                required_caps: settings.required_features,
                preferred_caps: preferred_caps,
                swf_url: settings.flash_swf_url,
                xap_url: settings.silverlight_xap_url
            };

            // add runtime specific options if any
            plupload.each(settings.runtimes.split(/\s*,\s*/), function (runtime) {
                if (settings[runtime]) {
                    options[runtime] = settings[runtime];
                }
            });

            // initialize file pickers - there can be many
            if (settings.browse_button) {
                plupload.each(settings.browse_button, function (el) {
                    queue.push(function (cb) {
                        var fileInput = new o.FileInput(plupload.extend({}, options, {
                            accept: settings.filters.mime_types,
                            name: settings.file_data_name,
                            multiple: settings.multi_selection,
                            container: settings.container,
                            browse_button: el
                        }));

                        fileInput.onready = function () {
                            var info = o.Runtime.getInfo(this.ruid);

                            // for backward compatibility
                            o.extend(self.features, {
                                chunks: info.can('slice_blob'),
                                multipart: info.can('send_multipart'),
                                multi_selection: info.can('select_multiple')
                            });

                            inited++;
                            fileInputs.push(this);
                            cb();
                        };

                        fileInput.onchange = function () {
                            self.addFile(this.files);
                        };

                        fileInput.bind('mouseenter mouseleave mousedown mouseup', function (e) {
                            if (!disabled) {
                                if (settings.browse_button_hover) {
                                    if ('mouseenter' === e.type) {
                                        o.addClass(el, settings.browse_button_hover);
                                    } else if ('mouseleave' === e.type) {
                                        o.removeClass(el, settings.browse_button_hover);
                                    }
                                }

                                if (settings.browse_button_active) {
                                    if ('mousedown' === e.type) {
                                        o.addClass(el, settings.browse_button_active);
                                    } else if ('mouseup' === e.type) {
                                        o.removeClass(el, settings.browse_button_active);
                                    }
                                }
                            }
                        });

                        fileInput.bind('mousedown', function () {
                            self.trigger('Browse');
                        });

                        fileInput.bind('error runtimeerror', function () {
                            fileInput = null;
                            cb();
                        });

                        fileInput.init();
                    });
                });
            }

            // initialize drop zones
            if (settings.drop_element) {
                plupload.each(settings.drop_element, function (el) {
                    queue.push(function (cb) {
                        var fileDrop = new o.FileDrop(plupload.extend({}, options, {
                            drop_zone: el
                        }));

                        fileDrop.onready = function () {
                            var info = o.Runtime.getInfo(this.ruid);

                            self.features.dragdrop = info.can('drag_and_drop'); // for backward compatibility

                            inited++;
                            fileDrops.push(this);
                            cb();
                        };

                        fileDrop.ondrop = function () {
                            self.addFile(this.files);
                        };

                        fileDrop.bind('error runtimeerror', function () {
                            fileDrop = null;
                            cb();
                        });

                        fileDrop.init();
                    });
                });
            }


            o.inSeries(queue, function () {
                if (typeof(cb) === 'function') {
                    cb(inited);
                }
            });
        }


        function resizeImage(blob, params, cb) {
            var img = new o.Image();

            try {
                img.onload = function () {
                    // no manipulation required if...
                    if (params.width > this.width &&
                        params.height > this.height &&
                        params.quality === undef &&
                        params.preserve_headers && !params.crop
                        ) {
                        this.destroy();
                        return cb(blob);
                    }
                    // otherwise downsize
                    img.downsize(params.width, params.height, params.crop, params.preserve_headers);
                };

                img.onresize = function () {
                    cb(this.getAsBlob(blob.type, params.quality));
                    this.destroy();
                };

                img.onerror = function () {
                    cb(blob);
                };

                img.load(blob);
            } catch (ex) {
                cb(blob);
            }
        }


        function setOption(option, value, init) {
            var self = this, reinitRequired = false;

            function _setOption(option, value, init) {
                var oldValue = settings[option];

                switch (option) {
                    case 'max_file_size':
                        if (option === 'max_file_size') {
                            settings.max_file_size = settings.filters.max_file_size = value;
                        }
                        break;

                    case 'chunk_size':
                        if (value = plupload.parseSize(value)) {
                            settings[option] = value;
                            settings.send_file_name = true;
                        }
                        break;

                    case 'multipart':
                        settings[option] = value;
                        if (!value) {
                            settings.send_file_name = true;
                        }
                        break;

                    case 'unique_names':
                        settings[option] = value;
                        if (value) {
                            settings.send_file_name = true;
                        }
                        break;

                    case 'filters':
                        // for sake of backward compatibility
                        if (plupload.typeOf(value) === 'array') {
                            value = {
                                mime_types: value
                            };
                        }

                        if (init) {
                            plupload.extend(settings.filters, value);
                        } else {
                            settings.filters = value;
                        }

                        // if file format filters are being updated, regenerate the matching expressions
                        if (value.mime_types) {
                            settings.filters.mime_types.regexp = (function (filters) {
                                var extensionsRegExp = [];

                                plupload.each(filters, function (filter) {
                                    plupload.each(filter.extensions.split(/,/), function (ext) {
                                        if (/^\s*\*\s*$/.test(ext)) {
                                            extensionsRegExp.push('\\.*');
                                        } else {
                                            extensionsRegExp.push('\\.' + ext.replace(new RegExp('[' + ('/^$.*+?|()[]{}\\'.replace(/./g, '\\$&')) + ']', 'g'), '\\$&'));
                                        }
                                    });
                                });

                                return new RegExp('(' + extensionsRegExp.join('|') + ')$', 'i');
                            }(settings.filters.mime_types));
                        }
                        break;

                    case 'resize':
                        if (init) {
                            plupload.extend(settings.resize, value, {
                                enabled: true
                            });
                        } else {
                            settings.resize = value;
                        }
                        break;

                    case 'prevent_duplicates':
                        settings.prevent_duplicates = settings.filters.prevent_duplicates = !!value;
                        break;

                    case 'browse_button':
                    case 'drop_element':
                        value = plupload.get(value);

                    case 'container':
                    case 'runtimes':
                    case 'multi_selection':
                    case 'flash_swf_url':
                    case 'silverlight_xap_url':
                        settings[option] = value;
                        if (!init) {
                            reinitRequired = true;
                        }
                        break;

                    default:
                        settings[option] = value;
                }

                if (!init) {
                    self.trigger('OptionChanged', option, value, oldValue);
                }
            }

            if (typeof(option) === 'object') {
                plupload.each(option, function (value, option) {
                    _setOption(option, value, init);
                });
            } else {
                _setOption(option, value, init);
            }

            if (init) {
                // Normalize the list of required capabilities
                settings.required_features = normalizeCaps(plupload.extend({}, settings));

                // Come up with the list of capabilities that can affect default mode in a multi-mode runtimes
                preferred_caps = normalizeCaps(plupload.extend({}, settings, {
                    required_features: true
                }));
            } else if (reinitRequired) {
                self.trigger('Destroy');

                initControls.call(self, settings, function (inited) {
                    if (inited) {
                        self.runtime = o.Runtime.getInfo(getRUID()).type;
                        self.trigger('Init', { runtime: self.runtime });
                        self.trigger('PostInit');
                    } else {
                        self.trigger('Error', {
                            code: plupload.INIT_ERROR,
                            message: plupload.translate('Init error.')
                        });
                    }
                });
            }
        }


        // Internal event handlers
        function onBeforeUpload(up, file) {
            // Generate unique target filenames
            if (up.settings.unique_names) {
                var matches = file.name.match(/\.([^.]+)$/), ext = "part";
                if (matches) {
                    ext = matches[1];
                }
                file.target_name = file.id + '.' + ext;
            }
        }


        function onUploadFile(up, file) {
            var url = up.settings.url
                , chunkSize = up.settings.chunk_size
                , retries = up.settings.max_retries
                , features = up.features
                , offset = 0
                , blob
                ;

            // make sure we start at a predictable offset
            if (file.loaded) {
                offset = file.loaded = chunkSize ? chunkSize * Math.floor(file.loaded / chunkSize) : 0;
            }

            function handleError() {
                if (retries-- > 0) {
                    delay(uploadNextChunk, 1000);
                } else {
                    file.loaded = offset; // reset all progress

                    up.trigger('Error', {
                        code: plupload.HTTP_ERROR,
                        message: plupload.translate('HTTP Error.'),
                        file: file,
                        response: xhr.responseText,
                        status: xhr.status,
                        responseHeaders: xhr.getAllResponseHeaders()
                    });
                }
            }

            function uploadNextChunk() {
                var chunkBlob, formData, args = {}, curChunkSize;

                // make sure that file wasn't cancelled and upload is not stopped in general
                if (file.status !== plupload.UPLOADING || up.state === plupload.STOPPED) {
                    return;
                }

                // send additional 'name' parameter only if required
                if (up.settings.send_file_name) {
                    args.name = file.target_name || file.name;
                }

                if (chunkSize && features.chunks && blob.size > chunkSize) { // blob will be of type string if it was loaded in memory
                    curChunkSize = Math.min(chunkSize, blob.size - offset);
                    chunkBlob = blob.slice(offset, offset + curChunkSize);
                } else {
                    curChunkSize = blob.size;
                    chunkBlob = blob;
                }

                // If chunking is enabled add corresponding args, no matter if file is bigger than chunk or smaller
                if (chunkSize && features.chunks) {
                    // Setup query string arguments
                    if (up.settings.send_chunk_number) {
                        args.chunk = Math.ceil(offset / chunkSize);
                        args.chunks = Math.ceil(blob.size / chunkSize);
                    } else { // keep support for experimental chunk format, just in case
                        args.offset = offset;
                        args.total = blob.size;
                    }
                }

                xhr = new o.XMLHttpRequest();

                // Do we have upload progress support
                if (xhr.upload) {
                    xhr.upload.onprogress = function (e) {
                        file.loaded = Math.min(file.size, offset + e.loaded);
                        up.trigger('UploadProgress', file);
                    };
                }

                xhr.onload = function () {
                    // check if upload made itself through
                    if (xhr.status >= 400) {
                        handleError();
                        return;
                    }

                    retries = up.settings.max_retries; // reset the counter

                    // Handle chunk response
                    if (curChunkSize < blob.size) {
                        chunkBlob.destroy();

                        offset += curChunkSize;
                        file.loaded = Math.min(offset, blob.size);

                        up.trigger('ChunkUploaded', file, {
                            offset: file.loaded,
                            total: blob.size,
                            response: xhr.responseText,
                            status: xhr.status,
                            responseHeaders: xhr.getAllResponseHeaders()
                        });

                        // stock Android browser doesn't fire upload progress events, but in chunking mode we can fake them
                        if (o.Env.browser === 'Android Browser') {
                            // doesn't harm in general, but is not required anywhere else
                            up.trigger('UploadProgress', file);
                        }
                    } else {
                        file.loaded = file.size;
                    }

                    chunkBlob = formData = null; // Free memory

                    // Check if file is uploaded
                    if (!offset || offset >= blob.size) {
                        // If file was modified, destory the copy
                        if (file.size != file.origSize) {
                            blob.destroy();
                            blob = null;
                        }

                        up.trigger('UploadProgress', file);

                        file.status = plupload.DONE;

                        up.trigger('FileUploaded', file, {
                            response: xhr.responseText,
                            status: xhr.status,
                            responseHeaders: xhr.getAllResponseHeaders()
                        });
                    } else {
                        // Still chunks left
                        delay(uploadNextChunk, 1); // run detached, otherwise event handlers interfere
                    }
                };

                xhr.onerror = function () {
                    handleError();
                };

                xhr.onloadend = function () {
                    this.destroy();
                    xhr = null;
                };

                // Build multipart request
                if (up.settings.multipart && features.multipart) {
                    xhr.open("post", url, true);

                    // Set custom headers
                    plupload.each(up.settings.headers, function (value, name) {
                        xhr.setRequestHeader(name, value);
                    });

                    formData = new o.FormData();

                    // Add multipart params
                    plupload.each(plupload.extend(args, up.settings.multipart_params), function (value, name) {
                        formData.append(name, value);
                    });

                    // Add file and send it
                    formData.append(up.settings.file_data_name, chunkBlob);
                    xhr.send(formData, {
                        runtime_order: up.settings.runtimes,
                        required_caps: up.settings.required_features,
                        preferred_caps: preferred_caps,
                        swf_url: up.settings.flash_swf_url,
                        xap_url: up.settings.silverlight_xap_url
                    });
                } else {
                    // if no multipart, send as binary stream
                    url = plupload.buildUrl(up.settings.url, plupload.extend(args, up.settings.multipart_params));

                    xhr.open("post", url, true);

                    xhr.setRequestHeader('Content-Type', 'application/octet-stream'); // Binary stream header

                    // Set custom headers
                    plupload.each(up.settings.headers, function (value, name) {
                        xhr.setRequestHeader(name, value);
                    });

                    xhr.send(chunkBlob, {
                        runtime_order: up.settings.runtimes,
                        required_caps: up.settings.required_features,
                        preferred_caps: preferred_caps,
                        swf_url: up.settings.flash_swf_url,
                        xap_url: up.settings.silverlight_xap_url
                    });
                }
            }

            blob = file.getSource();

            // Start uploading chunks
            if (up.settings.resize.enabled && runtimeCan(blob, 'send_binary_string') && !!~o.inArray(blob.type, ['image/jpeg', 'image/png'])) {
                // Resize if required
                resizeImage.call(this, blob, up.settings.resize, function (resizedBlob) {
                    blob = resizedBlob;
                    file.size = resizedBlob.size;
                    uploadNextChunk();
                });
            } else {
                uploadNextChunk();
            }
        }


        function onUploadProgress(up, file) {
            calcFile(file);
        }


        function onStateChanged(up) {
            if (up.state == plupload.STARTED) {
                // Get start time to calculate bps
                startTime = (+new Date());
            } else if (up.state == plupload.STOPPED) {
                // Reset currently uploading files
                for (var i = up.files.length - 1; i >= 0; i--) {
                    if (up.files[i].status == plupload.UPLOADING) {
                        up.files[i].status = plupload.QUEUED;
                        calc();
                    }
                }
            }
        }


        function onCancelUpload() {
            if (xhr) {
                xhr.abort();
            }
        }


        function onFileUploaded(up) {
            calc();

            // Upload next file but detach it from the error event
            // since other custom listeners might want to stop the queue
            delay(function () {
                uploadNext.call(up);
            }, 1);
        }


        function onError(up, err) {
            if (err.code === plupload.INIT_ERROR) {
                up.destroy();
            }
            // Set failed status if an error occured on a file
            else if (err.file) {
                err.file.status = plupload.FAILED;
                calcFile(err.file);

                // Upload next file but detach it from the error event
                // since other custom listeners might want to stop the queue
                if (up.state == plupload.STARTED) { // upload in progress
                    up.trigger('CancelUpload');
                    delay(function () {
                        uploadNext.call(up);
                    }, 1);
                }
            }
        }


        function onDestroy(up) {
            up.stop();

            // Purge the queue
            plupload.each(files, function (file) {
                file.destroy();
            });
            files = [];

            if (fileInputs.length) {
                plupload.each(fileInputs, function (fileInput) {
                    fileInput.destroy();
                });
                fileInputs = [];
            }

            if (fileDrops.length) {
                plupload.each(fileDrops, function (fileDrop) {
                    fileDrop.destroy();
                });
                fileDrops = [];
            }

            preferred_caps = {};
            disabled = false;
            startTime = xhr = null;
            total.reset();
        }


        // Default settings
        settings = {
            runtimes: o.Runtime.order,
            max_retries: 0,
            chunk_size: 0,
            multipart: true,
            multi_selection: true,
            file_data_name: 'file',
            flash_swf_url: 'js/Moxie.swf',
            silverlight_xap_url: 'js/Moxie.xap',
            filters: {
                mime_types: [],
                prevent_duplicates: false,
                max_file_size: 0
            },
            resize: {
                enabled: false,
                preserve_headers: true,
                crop: false
            },
            send_file_name: true,
            send_chunk_number: true
        };


        setOption.call(this, options, null, true);

        // Inital total state
        total = new plupload.QueueProgress();

        // Add public methods
        plupload.extend(this, {

            /**
             * Unique id for the Uploader instance.
             *
             * @property id
             * @type String
             */
            id: uid,
            uid: uid, // mOxie uses this to differentiate between event targets

            /**
             * Current state of the total uploading progress. This one can either be plupload.STARTED or plupload.STOPPED.
             * These states are controlled by the stop/start methods. The default value is STOPPED.
             *
             * @property state
             * @type Number
             */
            state: plupload.STOPPED,

            /**
             * Map of features that are available for the uploader runtime. Features will be filled
             * before the init event is called, these features can then be used to alter the UI for the end user.
             * Some of the current features that might be in this map is: dragdrop, chunks, jpgresize, pngresize.
             *
             * @property features
             * @type Object
             */
            features: {},

            /**
             * Current runtime name.
             *
             * @property runtime
             * @type String
             */
            runtime: null,

            /**
             * Current upload queue, an array of File instances.
             *
             * @property files
             * @type Array
             * @see plupload.File
             */
            files: files,

            /**
             * Object with name/value settings.
             *
             * @property settings
             * @type Object
             */
            settings: settings,

            /**
             * Total progess information. How many files has been uploaded, total percent etc.
             *
             * @property total
             * @type plupload.QueueProgress
             */
            total: total,


            /**
             * Initializes the Uploader instance and adds internal event listeners.
             *
             * @method init
             */
            init: function () {
                var self = this;

                if (typeof(settings.preinit) == "function") {
                    settings.preinit(self);
                } else {
                    plupload.each(settings.preinit, function (func, name) {
                        self.bind(name, func);
                    });
                }

                bindEventListeners.call(this);

                // Check for required options
                if (!settings.browse_button || !settings.url) {
                    this.trigger('Error', {
                        code: plupload.INIT_ERROR,
                        message: plupload.translate('Init error.')
                    });
                    return;
                }

                initControls.call(this, settings, function (inited) {
                    if (typeof(settings.init) == "function") {
                        settings.init(self);
                    } else {
                        plupload.each(settings.init, function (func, name) {
                            self.bind(name, func);
                        });
                    }

                    if (inited) {
                        self.runtime = o.Runtime.getInfo(getRUID()).type;
                        self.trigger('Init', { runtime: self.runtime });
                        self.trigger('PostInit');
                    } else {
                        self.trigger('Error', {
                            code: plupload.INIT_ERROR,
                            message: plupload.translate('Init error.')
                        });
                    }
                });
            },

            /**
             * Set the value for the specified option(s).
             *
             * @method setOption
             * @since 2.1
             * @param {String|Object} option Name of the option to change or the set of key/value pairs
             * @param {Mixed} [value] Value for the option (is ignored, if first argument is object)
             */
            setOption: function (option, value) {
                setOption.call(this, option, value, !this.runtime); // until runtime not set we do not need to reinitialize
            },

            /**
             * Get the value for the specified option or the whole configuration, if not specified.
             *
             * @method getOption
             * @since 2.1
             * @param {String} [option] Name of the option to get
             * @return {Mixed} Value for the option or the whole set
             */
            getOption: function (option) {
                if (!option) {
                    return settings;
                }
                return settings[option];
            },

            /**
             * Refreshes the upload instance by dispatching out a refresh event to all runtimes.
             * This would for example reposition flash/silverlight shims on the page.
             *
             * @method refresh
             */
            refresh: function () {
                if (fileInputs.length) {
                    plupload.each(fileInputs, function (fileInput) {
                        fileInput.trigger('Refresh');
                    });
                }
                this.trigger('Refresh');
            },

            /**
             * Starts uploading the queued files.
             *
             * @method start
             */
            start: function () {
                if (this.state != plupload.STARTED) {
                    this.state = plupload.STARTED;
                    this.trigger('StateChanged');

                    uploadNext.call(this);
                }
            },

            /**
             * Stops the upload of the queued files.
             *
             * @method stop
             */
            stop: function () {
                if (this.state != plupload.STOPPED) {
                    this.state = plupload.STOPPED;
                    this.trigger('StateChanged');
                    this.trigger('CancelUpload');
                }
            },


            /**
             * Disables/enables browse button on request.
             *
             * @method disableBrowse
             * @param {Boolean} disable Whether to disable or enable (default: true)
             */
            disableBrowse: function () {
                disabled = arguments[0] !== undef ? arguments[0] : true;

                if (fileInputs.length) {
                    plupload.each(fileInputs, function (fileInput) {
                        fileInput.disable(disabled);
                    });
                }

                this.trigger('DisableBrowse', disabled);
            },

            /**
             * Returns the specified file object by id.
             *
             * @method getFile
             * @param {String} id File id to look for.
             * @return {plupload.File} File object or undefined if it wasn't found;
             */
            getFile: function (id) {
                var i;
                for (i = files.length - 1; i >= 0; i--) {
                    if (files[i].id === id) {
                        return files[i];
                    }
                }
            },

            /**
             * Adds file to the queue programmatically. Can be native file, instance of Plupload.File,
             * instance of mOxie.File, input[type="file"] element, or array of these. Fires FilesAdded,
             * if any files were added to the queue. Otherwise nothing happens.
             *
             * @method addFile
             * @since 2.0
             * @param {plupload.File|mOxie.File|File|Node|Array} file File or files to add to the queue.
             * @param {String} [fileName] If specified, will be used as a name for the file
             */
            addFile: function (file, fileName) {
                var self = this
                    , queue = []
                    , filesAdded = []
                    , ruid
                    ;

                function filterFile(file, cb) {
                    var queue = [];
                    o.each(self.settings.filters, function (rule, name) {
                        if (fileFilters[name]) {
                            queue.push(function (cb) {
                                fileFilters[name].call(self, rule, file, function (res) {
                                    cb(!res);
                                });
                            });
                        }
                    });
                    o.inSeries(queue, cb);
                }

                /**
                 * @method resolveFile
                 * @private
                 * @param {o.File|o.Blob|plupload.File|File|Blob|input[type="file"]} file
                 */
                function resolveFile(file) {
                    var type = o.typeOf(file);

                    // o.File
                    if (file instanceof o.File) {
                        if (!file.ruid && !file.isDetached()) {
                            if (!ruid) { // weird case
                                return false;
                            }
                            file.ruid = ruid;
                            file.connectRuntime(ruid);
                        }
                        resolveFile(new plupload.File(file));
                    }
                    // o.Blob
                    else if (file instanceof o.Blob) {
                        resolveFile(file.getSource());
                        file.destroy();
                    }
                    // plupload.File - final step for other branches
                    else if (file instanceof plupload.File) {
                        if (fileName) {
                            file.name = fileName;
                        }

                        queue.push(function (cb) {
                            // run through the internal and user-defined filters, if any
                            filterFile(file, function (err) {
                                if (!err) {
                                    // make files available for the filters by updating the main queue directly
                                    files.push(file);
                                    // collect the files that will be passed to FilesAdded event
                                    filesAdded.push(file);

                                    self.trigger("FileFiltered", file);
                                }
                                delay(cb, 1); // do not build up recursions or eventually we might hit the limits
                            });
                        });
                    }
                    // native File or blob
                    else if (o.inArray(type, ['file', 'blob']) !== -1) {
                        resolveFile(new o.File(null, file));
                    }
                    // input[type="file"]
                    else if (type === 'node' && o.typeOf(file.files) === 'filelist') {
                        // if we are dealing with input[type="file"]
                        o.each(file.files, resolveFile);
                    }
                    // mixed array of any supported types (see above)
                    else if (type === 'array') {
                        fileName = null; // should never happen, but unset anyway to avoid funny situations
                        o.each(file, resolveFile);
                    }
                }

                ruid = getRUID();

                resolveFile(file);

                if (queue.length) {
                    o.inSeries(queue, function () {
                        // if any files left after filtration, trigger FilesAdded
                        if (filesAdded.length) {
                            self.trigger("FilesAdded", filesAdded);
                        }
                    });
                }
            },

            /**
             * Removes a specific file.
             *
             * @method removeFile
             * @param {plupload.File|String} file File to remove from queue.
             */
            removeFile: function (file) {
                var id = typeof(file) === 'string' ? file : file.id;

                for (var i = files.length - 1; i >= 0; i--) {
                    if (files[i].id === id) {
                        return this.splice(i, 1)[0];
                    }
                }
            },

            /**
             * Removes part of the queue and returns the files removed. This will also trigger the FilesRemoved and QueueChanged events.
             *
             * @method splice
             * @param {Number} start (Optional) Start index to remove from.
             * @param {Number} length (Optional) Lengh of items to remove.
             * @return {Array} Array of files that was removed.
             */
            splice: function (start, length) {
                // Splice and trigger events
                var removed = files.splice(start === undef ? 0 : start, length === undef ? files.length : length);

                // if upload is in progress we need to stop it and restart after files are removed
                var restartRequired = false;
                if (this.state == plupload.STARTED) { // upload in progress
                    plupload.each(removed, function (file) {
                        if (file.status === plupload.UPLOADING) {
                            restartRequired = true; // do not restart, unless file that is being removed is uploading
                            return false;
                        }
                    });

                    if (restartRequired) {
                        this.stop();
                    }
                }

                this.trigger("FilesRemoved", removed);

                // Dispose any resources allocated by those files
                plupload.each(removed, function (file) {
                    file.destroy();
                });

                if (restartRequired) {
                    this.start();
                }

                return removed;
            },

            /**
             * Dispatches the specified event name and it's arguments to all listeners.
             *
             *
             * @method trigger
             * @param {String} name Event name to fire.
             * @param {Object..} Multiple arguments to pass along to the listener functions.
             */

            /**
             * Check whether uploader has any listeners to the specified event.
             *
             * @method hasEventListener
             * @param {String} name Event name to check for.
             */


            /**
             * Adds an event listener by name.
             *
             * @method bind
             * @param {String} name Event name to listen for.
             * @param {function} func Function to call ones the event gets fired.
             * @param {Object} scope Optional scope to execute the specified function in.
             */
            bind: function (name, func, scope) {
                var self = this;
                // adapt moxie EventTarget style to Plupload-like
                plupload.Uploader.prototype.bind.call(this, name, function () {
                    var args = [].slice.call(arguments);
                    args.splice(0, 1, self); // replace event object with uploader instance
                    return func.apply(this, args);
                }, 0, scope);
            },

            /**
             * Removes the specified event listener.
             *
             * @method unbind
             * @param {String} name Name of event to remove.
             * @param {function} func Function to remove from listener.
             */

            /**
             * Removes all event listeners.
             *
             * @method unbindAll
             */


            /**
             * Destroys Plupload instance and cleans after itself.
             *
             * @method destroy
             */
            destroy: function () {
                this.trigger('Destroy');
                settings = total = null; // purge these exclusively
                this.unbindAll();
            }
        });
    };

    plupload.Uploader.prototype = o.EventTarget.instance;

    /**
     * Constructs a new file instance.
     *
     * @class File
     * @constructor
     *
     * @param {Object} file Object containing file properties
     * @param {String} file.name Name of the file.
     * @param {Number} file.size File size.
     */
    plupload.File = (function () {
        var filepool = {};

        function PluploadFile(file) {

            plupload.extend(this, {

                /**
                 * File id this is a globally unique id for the specific file.
                 *
                 * @property id
                 * @type String
                 */
                id: plupload.guid(),

                /**
                 * File name for example "myfile.gif".
                 *
                 * @property name
                 * @type String
                 */
                name: file.name || file.fileName,

                /**
                 * File type, `e.g image/jpeg`
                 *
                 * @property type
                 * @type String
                 */
                type: file.type || '',

                /**
                 * File size in bytes (may change after client-side manupilation).
                 *
                 * @property size
                 * @type Number
                 */
                size: file.size || file.fileSize,

                /**
                 * Original file size in bytes.
                 *
                 * @property origSize
                 * @type Number
                 */
                origSize: file.size || file.fileSize,

                /**
                 * Number of bytes uploaded of the files total size.
                 *
                 * @property loaded
                 * @type Number
                 */
                loaded: 0,

                /**
                 * Number of percentage uploaded of the file.
                 *
                 * @property percent
                 * @type Number
                 */
                percent: 0,

                /**
                 * Status constant matching the plupload states QUEUED, UPLOADING, FAILED, DONE.
                 *
                 * @property status
                 * @type Number
                 * @see plupload
                 */
                status: plupload.QUEUED,

                /**
                 * Date of last modification.
                 *
                 * @property lastModifiedDate
                 * @type {String}
                 */
                lastModifiedDate: file.lastModifiedDate || (new Date()).toLocaleString(), // Thu Aug 23 2012 19:40:00 GMT+0400 (GET)

                /**
                 * Returns native window.File object, when it's available.
                 *
                 * @method getNative
                 * @return {window.File} or null, if plupload.File is of different origin
                 */
                getNative: function () {
                    var file = this.getSource().getSource();
                    return o.inArray(o.typeOf(file), ['blob', 'file']) !== -1 ? file : null;
                },

                /**
                 * Returns mOxie.File - unified wrapper object that can be used across runtimes.
                 *
                 * @method getSource
                 * @return {mOxie.File} or null
                 */
                getSource: function () {
                    if (!filepool[this.id]) {
                        return null;
                    }
                    return filepool[this.id];
                },

                /**
                 * Destroys plupload.File object.
                 *
                 * @method destroy
                 */
                destroy: function () {
                    var src = this.getSource();
                    if (src) {
                        src.destroy();
                        delete filepool[this.id];
                    }
                }
            });

            filepool[this.id] = file;
        }

        return PluploadFile;
    }());


    /**
     * Constructs a queue progress.
     *
     * @class QueueProgress
     * @constructor
     */
    plupload.QueueProgress = function () {
        var self = this; // Setup alias for self to reduce code size when it's compressed

        /**
         * Total queue file size.
         *
         * @property size
         * @type Number
         */
        self.size = 0;

        /**
         * Total bytes uploaded.
         *
         * @property loaded
         * @type Number
         */
        self.loaded = 0;

        /**
         * Number of files uploaded.
         *
         * @property uploaded
         * @type Number
         */
        self.uploaded = 0;

        /**
         * Number of files failed to upload.
         *
         * @property failed
         * @type Number
         */
        self.failed = 0;

        /**
         * Number of files yet to be uploaded.
         *
         * @property queued
         * @type Number
         */
        self.queued = 0;

        /**
         * Total percent of the uploaded bytes.
         *
         * @property percent
         * @type Number
         */
        self.percent = 0;

        /**
         * Bytes uploaded per second.
         *
         * @property bytesPerSec
         * @type Number
         */
        self.bytesPerSec = 0;

        /**
         * Resets the progress to it's initial values.
         *
         * @method reset
         */
        self.reset = function () {
            self.size = self.loaded = self.uploaded = self.failed = self.queued = self.percent = self.bytesPerSec = 0;
        };
    };

    window.plupload = plupload;

}(window, mOxie));